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VariCam's exclusive variable frame rate
Panasonic led the industry in developing the variable frame rate
function. This ground-breaking function, from which VariCam takes
its name, allows undercranking and overcranking to produce
expressive quick-motion and slow-motion scenes.
The AJ-HPX2700's frame rate can be set all the way from 1 to 60
fps, and the AJ-HPX3700's from 1 to 30 fps.
*The settable frame-rate range varies with the system mode and the
video format or recording format. See the Input/Output Video
Format table on page 6 for details.
•Normal cinematic shooting (at 24 fps or 30 fps)
The 24 fps rate refers to the same rate as used in film cameras.
The 30 fps rate is the standard frame rate used in the production of
TV commercials.
•Higher-speed shooting (at over 25 fps*)
This produces slow-motion effects. It is especially effective for
high-action scenes like car chases or crashes, or to create a
dramatic impact in a scene.
*When the standard speed is 24 fps. For a standard speed of 30 fps, anything over 31 fps
will be overcranked.
•Lower-speed shooting (at under 23 fps*)
This lets you attain a fast-motion effect. It can be combined with a
warp-speed effect to give special emphasis to flowing water,
fast-moving clouds, etc.
*When the standard speed is 24 fps. For a standard speed of 30 fps, anything under 29 fps
will be undercranked.
1080p/720p* Native mode
In Native mode, the P2 HD VariCam records images at the frame
rate set in the camera. For example in 24pN mode, it only records
24 frames instead of the normal 60 frames. Playing back the
recording at the normal rate, you can preview the speed effect right
on the spot, without using a frame rate converter. Native mode also
extends the recording time of a P2 card.
*The AJ-HPX3700 cannot record in 720p mode.
720p over 60p mode (AJ-HPX2700)
This mode makes the AJ-HPX2700 compatible with previous VTR
VariCam systems. In 720/24p mode,* it applies a 2:3 pulldown to
record 60 frames. The recording time is the same as in 1080i or
720p mode, but the unit can output a DVCPRO HD stream from the
IEEE 1394 connector as it records. This lets you produce a backup
copy using a connected external P2 Mobile, P2 Gear, DVCPRO HD
VTR, or Focus Enhancements FireStore FS-100.
*See the Input/Output Vdeo Format table on page 6 for details.
1080/24p Advance Mode (DVCPRO HD Only)
The 24p Advance mode applies 2:3:3:2 pulldown to one of the
1080/24p recording modes to allow over 60i recording.*
This provides compatibility with the AG-HVX200/HPX170 Series P2
handheld cameras that record using an HD codec.
*See the Input/Output Video Format table on page 6 for details. For information on
compatible nonlinear editing systems, visit <https://eww.pavc.panasonic.co.jp/pro-av/>
and click "Nonlinear Compatibility Information."
Electronic Shutter with Half Mode and Angle Setting
Both models feature an electronic shutter that offers 7 shutter
speeds up to a maximum 1/2000 second, plus a Half mode, as well
as an angle setting similar to a film camera. This combines with the
variable frame rate function to support a wide variety of shooting
techniques. A synchro scan function also provides optimal
recording when shooting CRT monitors.
Master-quality, 10-bit 4:2:2
AVC-Intra 100 Recording Assures
the VariCams Deliver a Distinct Look
That Closely Matches The Color and
Response of Film Stock